<template>
	<view>
		
		<view class="search-box">
			<my-search @click="gotoSearch"></my-search>
		</view>
		
		
		<!-- 轮播图的区域  usw 可快速生成轮播图结构-->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item,i) in swiperList" :key="i">
				<navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id">
					<image :src="item.image_src" ></image>
				</navigator>
			</swiper-item>
		</swiper>
		<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
		
		<!-- 分类导航区域 -->
		<view class="nav-list">
			<view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
				<image :src="item.image_src" class="nav-img"></image>
			</view>
		</view>
		<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
		
		<!-- 楼层区域 -->
		<view class="floot-list">
			<!-- 楼层的每一个item项 -->
			<view class="floor-item" v-for="(item,i) in floorList" :key="i">
				<!-- 楼层的标题渲染 -->
				<image :src="item.floor_title.image_src" class="floor-title"></image>
				<!-- 楼层的图片区域 -->
				<view class="floor-img-box">
					<!-- 左侧图片盒子 -->
					<navigator class="left-img-box" :url="item.product_list[0].url">
						<image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
					</navigator>
					<!-- 右侧图片盒子 -->
					<view class="right-img-box">
						<navigator class="right-img-item" v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
							<image :src="item2.image_src" :style="{width: item2.image_width + 'rpx'}" mode="widthFix"></image>
						</navigator>
					</view>
				</view>
			</view>
		</view>
	</view>
</template>


<script>
	import badgeMix from '@/mixins/tabbar-badge.js'
	
	export default {
		mixins:[badgeMix],
		data() {
			return {
				//轮播图数据数字
				swiperList:[],
				
				//分类导航的数据列表
				navList:[],
				
				//楼层的数据
				floorList:[]
			};
		},
		
		//生命周期函数 加载页面时调用
		onLoad() {
			//自建调用方法，获取轮播图的数据
			this.getSwiperList()
			//自建调用方法，实现导航分类区域
			this.getNavList()
			//自建调用方法，楼层显示
			this.getFloorList()
		},
		
		methods:{
		async getSwiperList(){
			const {data : res} = await  uni.$http.get('/api/public/v1/home/swiperdata')
			//数据请求失败后执行
			if(res.meta.status !== 200) return uni.$showMsg()
				this.swiperList = res.message
				
				uni.$showMsg('数据请求成功！')
			},
			
		async getNavList(){
		    const {data : res} = await  uni.$http.get('/api/public/v1/home/catitems')
			if(res.meta.status !== 200) return uni.$showMsg()	
				this.navList = res.message
			},
			
			//获取首页楼层数据
			async getFloorList(){
			    const {data : res} = await  uni.$http.get('/api/public/v1/home/floordata')
				if(res.meta.status !== 200) return uni.$showMsg()	
				//将所有数据循环每次循环将res.message的数据传递给floor
				res.message.forEach(floor =>{
					//将floor.product_list的数据穿到prod，并且在product_list增加一条数据prod.url
					floor.product_list.forEach(prod => {
						prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
					})
				})
				
					this.floorList = res.message
				},
			
			
			 
			navClickHandler(item){
				if(item.name === '分类'){
					uni.switchTab({
						url: '/pages/cate/cate'
					})
				}
			},
			
			gotoSearch(){
				uni.navigateTo({
					url: '/subpkg/search/search'
				})
			}
		},
		
	}
</script>

<style lang="scss">
	
	//美化轮播图
	swiper{
		height: 330rpx;
		.swiper-item,
		image{
			width: 100%;
			height: 100%;
		}
	}
	.nav-list{
		display: flex;
		justify-content: space-around;
		margin: 15px 0;
		
		.nav-img{
			width: 128rpx;
			height: 140rpx;
		}
	}
	
	.floor-title{
		width: 100%;
		height: 60rpx;
	}
	
	.right-img-box{
		display: flex;
		flex-wrap: wrap;
		justify-content: space-around;
	}
	
	.floor-img-box{
		display: flex;
		padding-left: 10rpx;
		
	}
	
	.search-box{
		position: sticky;
		top: 0;
		//防止轮播图覆盖
		z-index: 999;
	}
	
</style>
